Preferred Label : petroleum pitch;
IUPAC definition : A residue from heat treatment and distillation of petroleum fractions. It is solid
at room temperature, consists of a complex mixture of numerous predominantly aromatic
and alkyl-substituted aromatic hydrocarbons, and exhibits a broad softening range
instead of a defined melting temperature.;
Scope note : the hydrogen aromaticity (ratio of aromatic to total hydrogen atoms) varies between
0.3 and 0.6. the aliphatic hydrogen atoms are typically present in alkyl groups substituted
on aromatic rings or as naphthenic hydrogen.;
Origin ID : P04523;
See also
A residue from heat treatment and distillation of petroleum fractions. It is solid
at room temperature, consists of a complex mixture of numerous predominantly aromatic
and alkyl-substituted aromatic hydrocarbons, and exhibits a broad softening range
instead of a defined melting temperature.
